PCA9555PW,118
00kHz/400kHz I2C/SMBus Interface 5.5V 24-Pin TSSOP T/R PCA9555PW,118PCA9555PW,118
00kHz/400kHz I2C/SMBus Interface 5.5V 24-Pin TSSOP T/R PCA9555PW,118
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製造商零件號 # : PCA9555PW,118
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包裝/封裝: TSSOP-24
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零件狀態 : ACTIVE
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產品分類 : I/O Expanders
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PCA9555PW,118 數據表
價格 (USD)
數量 | 單價 | 總價 |
---|---|---|
1 | $0.818 | $0.82 |
10 | $0.694 | $6.94 |
30 | $0.605 | $18.15 |
100 | $0.532 | $53.20 |
1000 | $0.518 | $518.00 |
這些價格會受到市場波動的影響,需要提交報價才能取得最新價格。
詳細說明
Discover the endless possibilities with the PCA9555PW,118 - an innovative remote I/O expander that is setting new standards in the industry. With 16 quasi-bidirectional I/O pins that can be individually configured, this device offers unparalleled versatility for users. The internal programmable interrupt controller allows I/O pins to generate interrupts on specific level changes, enhancing efficiency and control. Additionally, the PCA9555PW,118 features a programmable PWM controller with four duty cycles, making it perfect for driving LEDs or generating audio tones. Operating over a wide temperature range of -40°C to +125°C, this device is a reliable choice for a variety of industrial and consumer applications
主要特徵
- 4-wire SPI interface for easy communication
- Bi-directional data transfer capability
- I/O pins with a wide range of applications
- Optional pull-up resistors on I/O pins
應用
- Advanced sensor connectivity
- Home automation security
- Automotive infotainment systems
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
isSample | true | sampleItemType | ITEM_TYPE_SAMPLE |
leadTime | 17 | exclusiveItemType | ITEM_TYPE_SAMPLE |
minPackQty | 2500 | isExSample | true |
salesNum | PCA9555PW,118 | pack_type | REEL |
pack_desc | Reel 13" Q1/T1 | status | Active |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is PCA9555PW,118?
The PCA9555PW,118 is an 16-bit I2C-bus I/O expander designed by NXP Semiconductors. It is suitable for applications requiring additional GPIO (General Purpose Input/Output) pins, such as LED dimming, relay control, and keypad scanning.
How Does PCA9555PW,118 Work?
The PCA9555PW,118 works by expanding the number of GPIO pins available to a microcontroller through the I2C-bus interface. It allows for flexible digital input and output configuration, providing increased functionality without the need for additional pins on the microcontroller.
How Many Pins does PCA9555PW,118 have and What are the Functions of the Pinout Configuration?
The PCA9555PW,118 is housed in a 24-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:
- VCC: Supply voltage pin.
- GND: Ground pin.
- SCL, SDA: I2C-bus serial clock and data pins, respectively.
- P0-P7: I/O pins for Port 0 to Port 7.
- INT: Interrupt output pin.
- RESET: Reset input pin.
What are the Pros and Cons of PCA9555PW,118?
Pros:
- Increased GPIO: Provides additional I/O pins for enhanced functionality.
- I2C Interface: Allows for easy interfacing with microcontrollers using the I2C-bus protocol.
- Configurable Inputs/Outputs: Supports configurable input and output modes for flexibility.
- Interrupt Output: Includes an interrupt pin for efficient event notification.
- Low Power Consumption: Operates with low power consumption for energy-efficient designs.
Cons:
- Complexity: Requires familiarity with I2C-bus communication for proper usage.
- Addressing: Multiple devices on the I2C bus may require unique addresses for proper communication.
- Additional Components: May need external pull-up resistors for proper I2C-bus operation.
Are There Any Equivalents/Alternatives to PCA9555PW,118 for Recommendation?
- The MCP23017 from Microchip is a similar I2C-bus GPIO expander with 16 I/O pins.
- Alternatives to the PCA9555PW,118 include the MAX7311 from Maxim Integrated and the SX1509 from Semtech.
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